Your ROOT_URL in app.ini is https://scm.trinitydesktop.org/gitea/ but you are visiting https://scm.trinitydesktop.net/gitea/TDE/dolphin/src/commit/46c48f9044e37c67bca02ffffe379fbc751faf32/doc/en/workspacebuttons.png
You should set ROOT_URL correctly, otherwise the web may not work correctly.